Answer: birthdaysuit

AnswerCrossword Clue
BIRTHDAYSUITNakedness
BIRTHDAYSUITEveryone's first set of "clothes"
BIRTHDAYSUITLady Godiva's "attire"
BIRTHDAYSUITState of undress
BIRTHDAYSUITWhat we all arrive in
BIRTHDAYSUITWhat a skinny-dipper wears